tempfile.hpp

// This file is part of slideio project.
// It is subject to the license terms in the LICENSE file found in the top-level directory
// of this distribution and at http://slideio.com/license.html.
#pragma once
#include <boost/filesystem.hpp>
#include <string>
 
namespace slideio
{
    class TempFile
    {
    public:
        explicit TempFile(boost::filesystem::path path) : m_path(path)
        {
            if(boost::filesystem::exists(path))
                boost::filesystem::remove(path);
        }
        TempFile() : TempFile(static_cast<const char*>(nullptr))
        {
          
        }
       explicit TempFile(const char* ext)
       {
          std::string pattern("%%%%-%%%%-%%%%-%%%%.");
          if(ext == nullptr || *ext==0){
             pattern += "temp";
          }
          else{
             pattern += ext;
          }
          m_path = boost::filesystem::temp_directory_path();
          m_path /= boost::filesystem::unique_path(pattern);
       }
       const boost::filesystem::path& getPath() const{
            return m_path;
        }
        ~TempFile()
        {
            if(boost::filesystem::exists(m_path))
                boost::filesystem::remove(m_path);
        }
    private:
        boost::filesystem::path m_path;
    };
}